CN102002869A - Method for dyeing chitosan fabric - Google Patents
Method for dyeing chitosan fabric Download PDFInfo
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- CN102002869A CN102002869A CN 201010510509 CN201010510509A CN102002869A CN 102002869 A CN102002869 A CN 102002869A CN 201010510509 CN201010510509 CN 201010510509 CN 201010510509 A CN201010510509 A CN 201010510509A CN 102002869 A CN102002869 A CN 102002869A
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Abstract
The invention discloses a method for dyeing a chitosan fabric, which comprises a refining process, a dyeing process, soaping process and a color fixing process, wherein the refining process is performed in refining solution of which the pH value is 10.0 to 13.5; and the dyeing process is performed in an alkaline environment with a pH value of 7.8 to 11.5. The chitosan fabric treated by the dyeing method of the invention can keep the loss of the chitosan within 20 percent, and the dyed chitosan fabric has high hygroscopicity, softness, skin affinity and antibacterial and deodorizing performance.
Description
Technical field
The present invention relates to the dyeing and finishing field, relate to the colouring method of lining particularly.
Background technology
Shitosan (chitosan; CTS) be the product of chitin (chitin) after deacetylated processing; be the deacetylation chitin, the formal name used at school poly glucosamine has another name called soluble chitin; chemical name is (1; 4) poly--2-amino-2-deoxidation-callose, the another name chitosan is by β-1 by N-acetyl-D-amino glucose monomer; the straight chain shape macromolecular compound that the 4-glycosidic bond couples together, molecular structural formula is shown below:
Shitosan is a cationic polymer, is the regenerated fiber of the unique positively charged of nature, has suitable biologically active (such as antibiotic, smelly, the moisture absorption of disappearing of excellence, preserve moisture and biocompatibility etc.).Shitosan has excellent biological compatibility and biological degradability, and catabolite generally has no side effect to human body, do not put aside in vivo, and non-immunogenicity, thereby utmost point wide prospect is arranged at biomedical sector.Chitin fiber has broad spectrum antibacterial, and Escherichia coli, staphylococcus aureus, gram-bacteria etc. are all had good anti-microbial property.With (regeneration) cellulose fibre blending such as chitin fiber and cotton, viscose glue, model, Niu Daier, numb Sai Er or interweave, by corresponding dyeing and finishing technology, the lining that under the situation of the final content that guarantees shitosan, obtains, both had pure cotton fabric (or viscose glue, model, Niu Daier, numb Sai Er etc.) good hygroscopicity, advantage such as soft, comfortable and easy to wear, have the function of antibacterial deodourizing again concurrently, can be used to make contact skin class textile fabrics such as underwear for men and women, baby clothes, hosiery, bedding, market prospects are boundless.
As everyone knows, how much directly relevant the antibacterial deodourizing effect of shitosan lining is with the content of chitin fiber.Constant for the physics and the chemical property that guarantee shitosan blending or interweaving product, anti-microbial property is good, must guarantee that the loss in the blending of chitosan-containing fiber or interweaving product dyeing and finishing process of shitosan content is less.Therefore, how to dye to make shitosan blending or interweaving product the shitosan content loss is less in process and have great importance.
At present, people are more to the dyeability research of chitin and blending product thereof, the dyeing of shitosan blending product reported seldom, to dyeing back shitosan content research as yet not deeply.Chitin fiber is similar to the cellulose fibre chemical composition, can adopt the dyestuff that dyes cellulose fibre to dye, but is to use existing dyeing and finishing technology that the lining of chitosan-containing fiber is dyeed, and exists level-dyeing property poor, is prone to quality problems such as look flower.
In sum, be badly in need of a kind of colouring method that is used for chitin fiber and blending/interwoven fabric thereof of exploitation, both made and dyed on shitosan blending or the interweaving product evenly, keep the content of shitosan again to greatest extent.
Summary of the invention
An object of the present invention is to provide a kind of colouring method of shitosan lining, the shitosan lining shitosan content loss of utilizing this colouring method to obtain is few, has excellent antibacterial and deodouring function.
Concrete, the colouring method of shitosan lining of the present invention, be that the shitosan lining is handled through the step that comprises concise operation, dyeing process, soap washing and fixation operation, wherein said concise operation is 10.0～13.5 in the pH value, carry out in preferred 11～12.5 the degumming solution, described dyeing process is 7.8～11.5 in the pH value, carries out under preferred 7.8～9.5 the alkaline environment.
In the preferred embodiment of the present invention, described degumming solution is the aqueous solution that contains scouring agent, softener and alkali, preferred bases is NaOH, potassium hydroxide etc., more preferably is that 30% sodium hydroxide solution adds the described degumming solution of formation in the aqueous solution that contains scouring agent, softener with concentration; Described dyeing process carries out in containing the alkaline dye liquor of softener, levelling agent, dyestuff, carbonate and/or bicarbonate and anhydrous sulfate, and the consumption of wherein said softener, carbonate and/or bicarbonate, anhydrous sulfate is respectively 1.0～4.0g, 0.1～2g, 20～80g in per 1 premium on currency; The consumption of described levelling agent is 0.5～5% (o.w.f) of described shitosan lining weight.O.w.f is the concentration unit of this area description dyeing and printing process commonly used, is writing a Chinese character in simplified form of on weightthe fabric, and promptly concentration is benchmark with the fabric weight in the dyeing and finishing technology, relatively the percentage of fabric.
In concrete enforcement of the present invention, also can add defoamer in right amount according to the foaming degree of degumming solution.
In another preferred embodiment of the present invention, in described dyeing process, described shitosan lining is placed industrial soft water, add carbonate and/or bicarbonate, make the pH value of solution reach 7.8～11.5; Slowly add described dyestuff in the solution then; Described anhydrous sulfate adds at twice, and be 10～20 minutes each blanking time that adds.In concrete enforcement of the present invention, the dyestuff (as using water-soluble) that dissolving is good added in 10～20 minutes, and heat temperature raising again turned round after 5～10 minutes.
In described dyeing process, more preferably before described dyestuff is added, add described softener, levelling agent, carbonate and/or bicarbonate earlier, be warmed up to 50～80 ℃, preferred temperature-rise period was finished in 20～50 minutes, added anhydrous sodium sulfate at last, be warmed up to 80～100 ℃, preferred temperature-rise period was finished in 5～50 minutes, was incubated to be cooled to below 60 ℃ after 40～80 minutes, discharged described dye liquor.
In the concise operation of colouring method of the present invention, the number of times of washing is decided according to the pH value of solution, should be washed between pH value to 8.3～7.2 that make solution.
A specific embodiments of the colouring method of shitosan lining of the present invention comprises the steps:
1) concise operation: described shitosan lining in described degumming solution, 85～98 ℃ of temperature, is incubated after 30～60 minutes, is cooled to below 60 ℃ and discharges described degumming solution, washing described shitosan lining to the pH value of solution is 8.3～7.2;
2) dyeing process: described shitosan lining is placed industrial soft water, add described softener, levelling agent, carbonate and/or bicarbonate earlier, add described dyestuff again, be warmed up to 50～80 ℃ in 20～50 minutes, add anhydrous sulfate at last, be warmed up to 80～100 ℃ in preferred 20～50 minutes in 5～50 minutes, be incubated and be cooled to below 60 ℃ after 40～80 minutes, discharge described dye liquor;
3) soap washing: with described shitosan lining in the liquid of soaping, after under 65～100 ℃ of temperature, soaping 10～30 minutes, be cooled to and discharge the described liquid of soaping below 60 ℃, in the wherein said liquid of soaping, the consumption of soaping agent is 1～8% (o.w.f) of described shitosan lining weight; In water, 45～85 ℃ of following insulations of temperature were discharged washing lotion after 8～12 minutes; Wash with water until water clear;
4) fixation operation: described shitosan lining is turned round in containing the fixation liquid of color-fixing agent, sodium chloride, under 50～80 ℃ of temperature, be incubated after 10～30 minutes, be cooled to below 60 ℃ and discharge solution; Be washed with water to water and go out cloth clearly.
In the preferred embodiment of method of the present invention, in described concise operation, described washing comprises three washings carrying out successively, and the temperature of washing is 70～90 ℃ for the first time, the temperature of washing is 50～70 ℃ for the second time, and Shui Xi temperature is 20～50 ℃ for the third time.The time of preferred three washings is identical, is 8～12 minutes.After washing for the third time, not between 8.3～7.2, then continue to wash with clear water as the pH value of solution.
In the preferred embodiment of method of the present invention, in the described fixation operation, the consumption of described color-fixing agent is 1～10% (o.w.f) of described shitosan lining weight, and amount of sodium chloride is 2～20 grams and 0.1～0.5 gram in per 1 premium on currency, and the pH value of described fixation liquid is controlled at 6.9～7.5.
The colouring method of shitosan lining of the present invention is to carry out in dyeing machine, and preferred described dyeing machine is overflow, jet dyeing machine.Comprise the steps: particularly
1) concise operation: in dyeing machine, inject industrial soft water, add scouring agent, softener earlier, add sodium hydroxide solution then and make that the pH value of the interior liquid of dyeing machine is 10～13.5, the shitosan lining is put into dyeing machine to carry out concise, be warming up to 85～98 ℃, be incubated cooling after 30～60 minutes, temperature is reduced to and is discharged liquid in the dyeing machine below 60 ℃, and the pH value that is washed till solution again is 8.3～7.2;
2) dyeing process: in dyeing machine, inject industrial soft water, add softener, levelling agent, sodium carbonate, move and slowly add dyestuff after 8～12 minutes, be warmed up to 50～80 ℃ in 20～40 minutes, add anhydrous sodium sulfate, be warmed up to 80～100 ℃ then, be incubated and be cooled to below 60 ℃ the discharge dye liquor after 40～80 minutes;
3) soap washing: add water in dyeing machine, add soaping agent, the consumption that adds soaping agent is 1～8% (o.w.f) of shitosan lining weight, and the water in the dyeing machine is warming up to 65～100 ℃, is incubated to be cooled to below 60 ℃ after 10～30 minutes and discharges washing lotion; In dyeing machine, add water again, be warming up to 45～85 ℃, be incubated and discharge washing lotion after 8～12 minutes; Repeat above washing, clear until water;
4) fixation operation: in dyeing machine, add water, add color-fixing agent, sodium chloride, the consumption of color-fixing agent is 1～10% (o.w.f) of shitosan lining weight, and amount of sodium chloride is to add 2～20g in per 1 premium on currency, be warming up to 50～80 ℃, be incubated to be cooled to below 60 ℃ after 10～30 minutes and discharge washing lotion; Be washed to and go out cloth clearly.
In the method for the invention, described scouring agent, softener, defoamer, levelling agent, color-fixing agent etc. are present technique field usual auxiliaries, and this is had no particular limits.Preferred described scouring agent is cellulose and regenerated cellulose refining agent, described softener for softener in bathing, bathe in anti-creasing agent, bathe in anti wrinkling agent, described soaping agent be that to use soaping agent, described color-fixing agent be that cotton is used color-fixing agent to cotton.
In the method for the invention, having no particular limits for used dyestuff, can be this area various dyestuffs such as direct dyes, REACTIVE DYES etc. commonly used.The consumption of dyestuff color is as required regulated, and those skilled in the art can easily determine.
In the method for the invention, preferred described carbonate and/or bicarbonate are sodium salt.
In the method for the invention, the purity of the anhydrous sodium sulfate of use, sodium chloride, sodium carbonate is greater than 99%.
In the method for the invention, used " water " such as described water, washings refers to that all this area common used in industry gets final product with soft water, and those skilled in the art can easily determine the consumption of water.
In the method for the invention, also finishing process be can comprise, dehydration, oven dry, soft typing, blanket typing etc. comprised successively.
In the present invention, described shitosan lining is meant the chitin fiber lining, promptly contains any lining of chitin fiber, the lining that preferably includes pure chitosan fiber lining, chitin fiber and cellulose fibre and/or regenerated celulose fibre blending or interweave.In shitosan lining of the present invention, described cellulose fibre is as cotton, fiber crops etc., described regenerated celulose fibre such as viscose glue, model, Niu Daier, numb Sai Er etc.
If,, contain Lycra in the shitosan lining to be dyeed, use the colouring method of shitosan lining of the present invention to dye and also can reach same effect as increasing elasticity for improving the performance of shitosan lining.
Another object of the present invention provides a kind of shitosan lining for preparing according to the colouring method of shitosan lining of the present invention.
The present invention compared with prior art has following advantage:
In the method for the invention, concise operation can be improved grease in shitosan blending or the interwoven fabric, spot etc., increases the permeability and the uniformity of dyeing; In dyeing process, before adding dyestuff, add carbonate, created alkaline environment, reduced the loss of shitosan; Dyeing process adds levelling agent slows down the shitosan dyeing rate, to increase the uniformity of dyeing; The shitosan lining shitosan content loss that obtains with colouring method of the present invention is few, can be controlled in 20%, and good level-dyeing property has excellent antibacterial deodourizing performance, makes its lining become one of high-grade underwear fabric of generally acknowledging in the world at present.
The specific embodiment
Embodiment 1
A kind of chitin fiber blended yarn woven fabric is weaved by the blended yarn of shitosan 9.7%/Niu Daier 56.9%/combed cotton 28.4% and Lycra 5% (being weight content) and to be formed, and in jet dyeing machine, its method that dyes is comprised the steps:
1) concise operation: in dyeing machine, inject 300 liters of industrial soft water, add scouring agent DXA-150450g, softener 300g, defoamer DM-8301260g earlier, the sodium hydroxide solution 450g that adds 30wt% then makes that the pH value of the interior liquid of dyeing machine is 10.8～11.5, shitosan lining 20000g is put into dyeing machine to carry out concise, cycle operation 10 minutes, be warming up to 90 ℃ then, be incubated cooling after 50 minutes, temperature is reduced to and is discharged liquid in the dyeing machine below 60 ℃, and the pH value that is washed to solution again is 8.3～7.2;
Wherein water-washing process comprises washing for the first time, injects 300 premium on currency in dyeing machine, and the temperature of washing is 80 ℃, washes discharge opeing after 10 minutes; Washing is for the second time injected 300 premium on currency in dyeing machine, washing temperature is 60 ℃, washes discharge opeing after 10 minutes; Washing is for the third time injected 300 premium on currency in dyeing machine, 40 ℃ of the temperature of washing, and the time of washing all is 10 minutes; Clear water washing times after 40 ℃ of washings is decided according to the pH value of solution, and the pH value of solution should be washed between 8.3～7.2;
2) dyeing process: in dyeing machine, inject 300 liters of industrial soft water, add precious C 300g in the balneation, add levelling agent leather powder 1200g, add sodium carbonate 60g, moving 10 minutes will slowly add in the dyeing machine with the good dyestuff of water-soluble, the time that adds is 15 minutes, moves and is warming up to 75 ℃ after 10 minutes, divides 2 times and adds anhydrous sodium sulfate, each 10 minutes at interval, be warmed up to 98 ℃ then, be incubated and be cooled to below 60 ℃ the discharge dye liquor after 45 minutes;
3) soap washing: in dyeing machine, add 300 premium on currency, add 600g soaping agent HSW, the water in the dyeing machine is warming up to 90 ℃, be incubated to be cooled to below 60 ℃ after 20 minutes and discharge washing lotion; In dyeing machine, add 300 premium on currency again, be warming up to 70 ℃, be incubated and discharge washing lotion after 10 minutes; In dyeing machine, add 300 premium on currency again, be warming up to 60 ℃, be incubated and discharge washing lotion after 10 minutes; Add 300 premium on currency again in dyeing machine, the warm water insulation was discharged washing lotion after 10 minutes; Repeat with the clear water washing, clear until water;
4) fixation operation: get swatch and declare look to sample, add 300 premium on currency again in dyeing machine after qualified, add color-fixing agent FIX-R-780 360g, sodium chloride 720g, the pH value that adds sodium carbonate control fixation liquid is 6.9～7.5, be warming up to 60 ℃, be incubated cooling discharge raffinate after 20 minutes; Be washed to and go out cloth clearly.
Lining enters finishing process after going out cylinder, comprises dehydration, oven dry, soft typing, blanket typing, checking procedure successively.
After tested, the final content of shitosan is 8.6% in the shitosan lining, and the shitosan loss late is 11.3%.
The method of testing of shitosan content is with reference to Chinese patent application 201010159468.7, a kind of method that is used for measuring textiles shitosan fiber content, and this patent application is open on September 15th, 2010, and publication number is CN101832938A.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all those skilled in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. the colouring method of a shitosan lining, described shitosan lining is handled through the step that comprises concise operation, dyeing process, soap washing and fixation operation, it is characterized in that: described concise operation is carried out in the pH value is 10.0～13.5 degumming solution, and described dyeing process is to carry out under 7.8～11.5 the alkaline environment in the pH value.
2. the colouring method of shitosan lining according to claim 1 is characterized in that: described degumming solution is the aqueous solution that contains scouring agent, softener and alkali; Described dyeing process carries out in containing the alkaline dye liquor of softener, levelling agent, dyestuff, carbonate and/or bicarbonate and anhydrous sulfate, and the consumption of wherein said softener, carbonate and/or bicarbonate, anhydrous sulfate is respectively 1.0～4.0g, 0.1～2g, 20～80g in per 1 premium on currency; The consumption of described levelling agent is 0.5～5% (o.w.f) of described shitosan lining weight.
3. the colouring method of shitosan lining according to claim 2 is characterized in that: in described dyeing process, described shitosan lining is placed industrial soft water, add carbonate and/or bicarbonate, make the pH value of solution reach 7.8～9.5; Slowly add described dyestuff in the solution then; Described anhydrous sulfate adds at twice, and be 10～20 minutes each blanking time that adds.
4. the colouring method of shitosan lining according to claim 3, it is characterized in that: in described dyeing process, before described dyestuff is added, add described softener, levelling agent, carbonate and/or bicarbonate earlier, be warmed up to 50～80 ℃, add anhydrous sodium sulfate at last, be warmed up to 80～100 ℃, be incubated and be cooled to below 60 ℃ after 40～80 minutes, discharge described dye liquor.
5. the colouring method of shitosan lining according to claim 1, it comprises the steps:
1) concise operation: described shitosan lining in described degumming solution, 85～98 ℃ of temperature, is incubated after 30～60 minutes, is cooled to below 60 ℃ and discharges described degumming solution, washing described shitosan lining to the pH value of solution is 8.3～7.2;
2) dyeing process: described shitosan lining is placed industrial soft water, add described softener, levelling agent, carbonate and/or bicarbonate earlier, add described dyestuff again, be warmed up to 50～80 ℃ in 20～50 minutes, add anhydrous sulfate at last, be warmed up to 80～100 ℃ in 5～50 minutes, be incubated and be cooled to below 60 ℃ after 40～80 minutes, discharge described dye liquor;
3) soap washing: with described shitosan lining in the liquid of soaping, after under 65～100 ℃ of temperature, soaping 10～30 minutes, be cooled to and discharge the described liquid of soaping below 60 ℃, in the wherein said liquid of soaping, the consumption of soaping agent is 1～8% (o.w.f) of described shitosan lining weight; In water, 45～85 ℃ of following insulations of temperature were discharged washing lotion after 8～12 minutes; Wash with water until water clear;
4) fixation operation: described shitosan lining is turned round in containing the fixation liquid of color-fixing agent, sodium chloride, under 50～80 ℃ of temperature, be incubated after 10～30 minutes, be cooled to below 60 ℃ and discharge solution; Be washed with water to water and go out cloth clearly.
6. the colouring method of shitosan lining according to claim 5, it is characterized in that: in the described concise operation, described washing comprises three washings carrying out successively, the temperature of washing is 70～90 ℃ for the first time, the temperature of washing is 50～70 ℃ for the second time, and Shui Xi temperature is 20～50 ℃ for the third time.
7. the colouring method of shitosan lining according to claim 5, it is characterized in that: in the described fixation operation, the consumption of described color-fixing agent is 1～10% (o.w.f) of described shitosan lining weight, amount of sodium chloride is 2～20 grams in per 1 premium on currency, and the pH value of described fixation liquid is controlled at 6.9～7.5.
8. according to the colouring method of the described shitosan lining of one of claim 1-7, it is characterized in that: described shitosan lining comprises pure chitosan lining, chitin fiber and cellulose fibre and/or regenerated celulose fibre blending or the lining that interweaves.
9. according to the colouring method of the described shitosan lining of one of claim 1-7, it is characterized in that: described method is carried out in dyeing machine, and described dyeing machine is overflow, jet dyeing machine.
10. shitosan lining of making according to the described method of one of claim 1-9.
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| CN 201010510509 CN102002869B (en) | 2010-10-18 | 2010-10-18 | Method for dyeing chitosan fabric |
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| CN102182079A (en) * | 2011-04-21 | 2011-09-14 | 山东华兴海慈新材料有限公司 | Industrial dyeing process of chitosan fiber and cellulose fiber blended fabric |
| CN108179515A (en) * | 2018-02-06 | 2018-06-19 | 百隆东方股份有限公司 | A kind of production method of moisture absorption pro-skin vortex colour-spun yarns |
| CN108611872A (en) * | 2018-04-17 | 2018-10-02 | 海宁市依丽袜业有限公司 | Wash the sub- colouring method of bright and beautiful socks production |
| CN109023686A (en) * | 2018-10-19 | 2018-12-18 | 互太(番禺)纺织印染有限公司 | A kind of underwear fabric and its processing technology |
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| CN1626712A (en) * | 2003-12-12 | 2005-06-15 | 江苏东泰棉业针织有限公司 | Method for weaving peluche duvert from fiber of chitin |
| CN101368345A (en) * | 2008-10-16 | 2009-02-18 | 浙江理工大学 | Method for improving homochromatism of crust amine fibre and cotton blended dyeing product |
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| CN1626712A (en) * | 2003-12-12 | 2005-06-15 | 江苏东泰棉业针织有限公司 | Method for weaving peluche duvert from fiber of chitin |
| CN101368345A (en) * | 2008-10-16 | 2009-02-18 | 浙江理工大学 | Method for improving homochromatism of crust amine fibre and cotton blended dyeing product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102182079A (en) * | 2011-04-21 | 2011-09-14 | 山东华兴海慈新材料有限公司 | Industrial dyeing process of chitosan fiber and cellulose fiber blended fabric |
| CN102182079B (en) * | 2011-04-21 | 2012-11-07 | 山东华兴海慈新材料有限公司 | Industrial dyeing process of chitosan fiber and cellulose fiber blended fabric |
| CN108179515A (en) * | 2018-02-06 | 2018-06-19 | 百隆东方股份有限公司 | A kind of production method of moisture absorption pro-skin vortex colour-spun yarns |
| CN108611872A (en) * | 2018-04-17 | 2018-10-02 | 海宁市依丽袜业有限公司 | Wash the sub- colouring method of bright and beautiful socks production |
| CN109023686A (en) * | 2018-10-19 | 2018-12-18 | 互太(番禺)纺织印染有限公司 | A kind of underwear fabric and its processing technology |
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| CN102002869B (en) | 2013-01-02 |
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